(April 11, 2017, 3:21 PM EDT) -- SAN FRANCISCO — Three California water districts and two water users on April 10 filed a notice that they will appeal summary judgment and a preliminary injunction granted Feb. 8 to two Native American tribes that require the federal government to release enough water from the Klamath Project to reduce the risk of infection downstream to fish in the Klamath River (Hoopa Valley Tribe, et al. v. National Marine Fisheries Services, et al., No. 16-4294, and Yurok Tribe v. Bureau of Reclamation, No. 16-6863, N.D. Calif.)....